Thanos Facts
| Diet | Carnivore |
| Height | 2.5m |
| Length | 6m |
| Weight | 1.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | Argentina |

| Diet | Carnivore |
| Height | 2.5m |
| Length | 6m |
| Weight | 1.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | Argentina |
Thanos was a fearsome theropod dinosaur that stalked the ancient landscapes of South America during the Late Cretaceous period, approximately 85.7 million years ago. This powerful predator belonged to the abelisaurid family, a group of carnivorous dinosaurs known for their robust build and distinctive skull features.
Living in what is now Argentina, Thanos measured about 6 metres in length and stood roughly 2.5 metres tall at the hip, making it a formidable hunter in its ecosystem. Like other theropods, it walked on two powerful legs and possessed sharp claws and teeth perfectly adapted for catching and consuming prey. Its muscular build and strong jaw muscles would have made it capable of delivering devastating bites to subdue its victims.
As a carnivore, Thanos likely hunted a variety of prey animals that shared its Late Cretaceous environment, including smaller dinosaurs, early mammals, and possibly fish near water sources. The discovery of Thanos has provided valuable insights into the diversity of abelisaurid theropods in South America during this period.
The fossil remains of Thanos represent an important addition to our understanding of Late Cretaceous predatory dinosaurs, helping palaeontologists piece together the complex food webs that existed in ancient Patagonia millions of years ago.
Thanos possessed the characteristic robust skull and powerful jaw muscles typical of abelisaurid theropods, along with strong, muscular legs built for pursuing prey. Its relatively compact but powerful build distinguished it from the more gracile theropods of other families.
As an abelisaurid theropod, Thanos was likely an active predator that hunted both alone and possibly in small groups. It would have used its powerful legs to chase down prey and its strong jaws to deliver killing bites, typical behaviour for large carnivorous dinosaurs of its type.
Thanos shares its name with the famous Marvel Comics supervillain, though the dinosaur was named as a scientific tribute to the character's imposing presence.
Thanos was first described by Federico Gianechini and colleagues in 2022. The original fossils were discovered at Neuquén Province, Argentina.